Cake.jp launches KAMITSUBAKI WARS 2026 Korakuen Battlefront collaboration cake cans

Cake.jp has begun selling collaboration cake cans commemorating KAMITSUBAKI WARS 2026: Korakuen Battlefront (神椿後楽園戦線). Designs are available for RIM, HARUSARUHI and KOKO. Each 250 ml cake can comes in strawberry custard or chocolate and includes one random 90 mm acrylic coaster from four designs of the chosen artist. The stickers and coasters are Cake.jp exclusive original designs. Orders ship frozen nationwide. Cake.jp is also giving complete four-coaster sets to five winners. Entrants must follow @cakejp_official and @kamitsubaki_jp, then quote-repost the campaign post with a preferred artist name and a message of support for the live. The deadline is 23:59 JST on Thursday, September 24, with deliveries starting in October. Details and orders: https://cake.jp/entertainment/artist-talent/kamitsubaki/